Watts Autotrol Magnum (CV+ Series) - Manual (Page 27)

23
942FMan - Manual Filter Control for the Magnum
Valve
The 942FMan represents the maximum in versatility
and ease of operation for the manual control valve
system. Upgrade to an automatic system is easily
accomplished by switching the manual control to a
clock or demand control.
DO NOT TURN THE INDICATOR KNOB CLOCKWISE
AT ANY TIME.
Backwash Instructions:
1. Move the indicator knob COUNTERCLOCKWISE
from the Backwash Complete position to the
center of the Backwash (Figure 5.6) position. DO
NOT turn the knob clockwise. The knob should
remain in the Backwash position for 5 to 20
minutes*, or until the water runs clear at the drain.
Figure 5.6
2. When the backwash is finished, move the indicator
knob COUNTERCLOCKWISE to the center of the
Fast Rinse position (Figure 5.7). The knob should
remain in the Fast Rinse position for 5 to 20
minutes*, or until the water runs clear at the drain.
Figure 5.7
3. After the fast rinse is complete, return the filter to
service by rotating the indicator knob
COUNTERCLOCKWISE to the Backwash
Complete position (Figure 5.8).
Figure 5.8
*Note: the times given are only general guidelines.
Adjustment of the times may be necessary for specific
applications and conditions.